I was thinking about a game I read about once in an old Australian chess magazine where an unknown player from South-East Asia somewhere beat a well-known Australian player or master from some well-established chess country. I thought the country was Vietnam, Thailand, or Hong Kong. So I downloaded SCID a chess database, installed in on my Powerbook, and downloaded all the Olympiad games from Olimpbase. I didn't find the game, but searching for "VIE" I did come across the game Ochoa de Echag├╝en (2450) vs McLeod at Thessaloniki 1988.

1.e4 c6 2.c4 d5 3.cxd5 cxd5 4.exd5 Nf6 5.Nc3 Nxd5 6.Nf3 Nxc3 7.bxc3 Nc6 8. d4 e6 9.Bd3 Qc7 10.O-O Bd6 11.Re1 O-O 12.Qe2 Ne7 13.c4 b6 14.Bd2 Bb7 15. Bxh7+ Kxh7 16.Ng5+ Kg8 17.Qh5 Bxh2+ 18.Kh1 1-0

I wondered whether Bxh7+ would have been possible on a previous move (diagram shows position
before White's 12th move).

After 12. Bxh7+ Kxh7 13. Ng5+, then 13... Kg8? 14. Qh5 Re8 15. Qh7+ Kf8 16. Ne4 is very good for White, but 13... Kg6 14. h4 Rh8 15. Qd3+ f5 allows black to defend.

13. Bxh7+ Kxh7 14. Ng5+ Kg6 15. h4 Rh8 16. Qe4+ Nf5 17. g4 Rxh4 18. gxf5+ Kh5 19. Qf3+ Rg4+ 20. Kh1 exf5 and Black is hanging on.

But, because the Black rook on a8 is a loose piece after 13...b6?, it does work on the next move. 14. Bxh7+ Kxh7 15. Ng5+ Kg6 15. h4 Rh8 16. Qe4+ Nf5 17. g4 and then if 17... Rxh4? 18. gxf5+ and 19. Qxa8 wins. So it was best to play it on move 14. I don't know what White had in mind after 16... Kg6 17. Qg4 f5!.


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